L.E. Wilson Case Length Headspace Gauge, 7MM-08 Remington Cartridge_7MM STW 286 Barrel Twist 1 in

286 Barrel Twist 1 in 10in or faster Package Quantity 50/Box

Includes both large and small primer tubes

The large case volume ensures high velocity potential

precision machining

200 Package Quantity 50/Box

L.E. Wilson Case Length Headspace Gauge, 7MM-08 Remington Cartridge_7MM STW 286 Barrel Twist 1 inInherent with reloading is the potential to oversize your bottleneck rifle brass. And the most important use of a cartridge case gauge is for setting up 78" 14 press type full length resizing dies. Headspace of fired rifle cases can quickly and accurately be measured using this tool with a caliper. This one piece gauge will check overall length to indicate a need for trimming and datum to head length to assure correct headspace to prevent over sizing.